Journal
CHEMISTRY & BIODIVERSITY
Volume 10, Issue 10, Pages 1894-1902Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbdv.201300061
Keywords
Eryngium species; Essential oils; -Caryophyllene; Caryophyllene oxide; Antiphytoviral activity
Funding
- Ministry of Science, Education, and Sports of the Republic of Croatia [177-1191192-0830, 006-0000000-3178]
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The chemical compositions of the essential oils obtained by hydrodistillation of the aerial parts of Croatian Eryngium alpinum L. and E. amethystinum L. were characterized by GC-FID and GC/MS analyses. The main components identified were the sesquiterpene -caryophyllene (19.7%) in the oil of E. amethystinum and the oxygenated sesquiterpene caryophyllene oxide (21.6%) in the oil of E. alpinum. Overall, 32 and 35 constituents were detected in the essential oils of the aerial parts of E. alpinum and E. amethystinum, respectively, representing 92.4 and 93.1% of the total oil compositions. The essential oils of both Eryngium species were proved to reduce the number of lesions in the local host Chenopodium quinoa infected with cucumber mosaic virus and an associated satellite. This is the first investigation of antiphytoviral activity of essential oils of Eryngium species.
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